Don’t say “Darwin” when you mean “evolution”. Don’t say “theory of evolution” when you mean the established historical facts of change over time and common descent. And above all, don’t say “Darwin’s theory of evolution” except in the historical context of the evolution of ideas. If you do, you are guilty of scientific, logical, historical, and pedagogical errors, and playing into the hands of our Creationist opponents.

Dalton is to the modern atomic theory, and the modern atomic theory is to chemistry, as Darwin(not to forget Wallace) is to evolution, and as evolution is to biology. But we don’t call our present perspective on atoms “Dalton’s theory”, and indeed, unless we are speaking historically, it sounds odd to even talk about “atomic theory” when we discuss atoms. So why should we refer to “Darwin’s theory”, and indeed why should we talk about the…